sendo Posted July 18, 2020 Share Posted July 18, 2020 hello, so my 70 monte ss has a th400 that has a tag with CD and believe I am supposed to have CR. my question what makes them different? Quote Link to comment Share on other sites More sharing options...
MC1of80 Posted July 18, 2020 Share Posted July 18, 2020 Not sure with th400 but for example depending on the letter suffix of a 200r4 the valve body, servo, band and such were different. I would say the same for the th400 and th350 also. Quote Link to comment Share on other sites More sharing options...
1970mcss Posted July 18, 2020 Share Posted July 18, 2020 It looks like the CD transmission in your car is correct. The CR code fits the Chevelle, Camaro and Nova. Use the link to refer to all years: http://www.tpocr.com/chevrtc.html AUTOMATIC TRANSMISSION IDENTIFICATION CHEVROLET 1970 V8-350 Corvette CK V8-400 CA V8-400 Chevelle, Monte Carlo CD V8-400 Chevrolet, Camaro,Nova CF V8-400 Chevelle, Camaro,Nova CW V8-454 Police CG V8-454 CB V8-454 Chevelle, Camaro,Nova CR V8-454 Chevelle, Monte Carlo, Corvette CS V8-454 Chevelle,Camaro, Corvette CY 1 Quote Link to comment Share on other sites More sharing options...
sendo Posted July 18, 2020 Author Share Posted July 18, 2020 so I supposed to have CS Quote Link to comment Share on other sites More sharing options...
MC1of80 Posted July 18, 2020 Share Posted July 18, 2020 Ummmm. Even more important than the letter code on the tag, does it have the VIN number stamped on the transmission??? Quote Link to comment Share on other sites More sharing options...
sendo Posted July 18, 2020 Author Share Posted July 18, 2020 No not the original, came out of a 68 Quote Link to comment Share on other sites More sharing options...
sendo Posted July 18, 2020 Author Share Posted July 18, 2020 So what parts make it different? Quote Link to comment Share on other sites More sharing options...
sbarnette Posted July 18, 2020 Share Posted July 18, 2020 Where do you find the VIN on the transmission? 3 hours ago, MC1of80 said: Ummmm. Even more important than the letter code on the tag, does it have the VIN number stamped on the transmission??? Quote Link to comment Share on other sites More sharing options...
MC1of80 Posted July 19, 2020 Share Posted July 19, 2020 I believe the VIN is on the driver's side above the selector lever/bracket. 1 Quote Link to comment Share on other sites More sharing options...
1970mcss Posted July 19, 2020 Share Posted July 19, 2020 Yes I guess I read your post wrong, you have a 454. Not sure what the difference would be, maybe different shift points. Maybe someone else can tell us. Quote Link to comment Share on other sites More sharing options...
sbarnette Posted July 19, 2020 Share Posted July 19, 2020 13 hours ago, MC1of80 said: I believe the VIN is on the driver's side above the selector lever/bracket. Thanks! Quote Link to comment Share on other sites More sharing options...
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